TEKS 7.12C recognize levels of organization in plants and animals, including cells, tissues, organs, organ systems, and organism
Structure in Living Organisms
Cut out the following eight diagrams and paste them in the correct place in the table on the next page then answer
the questions that follow.
TEKS 7.12C recognize levels of organization in plants and animals, including cells, tissues, organs, organ systems, and organism
Structure in Living Organisms
Simple
Complex
Cell
Tissue
Organ
Organ system
Organism
Cell
Tissue
Organ
Organ system
Organism
Example
from
Human
Nervous
System
Example
form Plant
Simple
Complex
Analysis questions:
1) In an organism, are there more cells or more tissues? ____________________________________________
2) How do you know? ________________________________________________________________________
__________________________________________________________________________________
3) Which structure in your chart represents the simplest system? _____________________________________
4) Which represents the most complex system? ___________________________________________________
5) The organ from the human body is the brain. List any other organs in the human body that you are familiar
with. ___________________________________________________________________________________
__________________________________________________________________________________
6) Can you name any of the cell types or tissues that make up those organs? ___________________________
__________________________________________________________________________________
7) Besides plants and animals, what other types of organisms are made up of cells? ______________________
__________________________________________________________________________________
8) List at least 3 things that are NOT made of cells. ________________________________________________
__________________________________________________________________________________